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CVE-2026-79656 Details

Description

A user with read access to Grafana's server logs, or to a log store they are shipped to, can recover the OAuth and OIDC access, refresh and ID tokens of users who sign in through the Generic OAuth, Google or GitLab providers. Grafana writes these tokens to its logs unredacted when an access or ID token is not a valid JWT, when the ID token is missing (at debug level) or is not a string (exposure of sensitive information in log files). The exposure is bounded by the scopes granted to the configured OAuth client.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://grafana.com/security/security-advisories/cve-2026-79656	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-532	Insertion of Sensitive Information into Log File	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 5, 2026	CVE Modified	CISA-ADP
Oct 28, 2026	New CVE Received	[email protected]